Download [upd] Sql Developer 21.4.3 Jun 2026

Click to verify the connection status. If it reads "Success" in the bottom-left corner, click Connect to save and open your SQL worksheet. Troubleshooting Common Installation Issues

Select this only if you already have a verified installation of JDK 8 or 11 configured in your system environment variables.

If your TNS names do not populate, navigate to . Set the Tnsnames Directory field to the exact folder location containing your tnsnames.ora file. To help tailor any further assistance, tell me: What operating system are you planning to install this on? download sql developer 21.4.3

(release date March 3, 2022).

Open the extracted folder and locate the sqldeveloper.exe file. Click to verify the connection status

A unique identifier for your connection (e.g., Production_DB ).

Oracle SQL Developer is a free integrated development environment (IDE) that provides a comprehensive set of tools for database development, including SQL and PL/SQL editing, database design, and data modeling. The latest version, 21.4.3, offers several enhancements and new features that make it an essential tool for database administrators, developers, and data analysts. In this essay, we will walk you through the process of downloading and installing Oracle SQL Developer 21.4.3, as well as explore its key features and benefits. If your TNS names do not populate, navigate to

Unzip the downloaded file:

This version requires Java 8 or 11 (minimum 1.8 update 171).

This version acts as a bridge between the modern cloud-ready 21.x series and the classic 4.x interface, giving you the reliability of older versions with the key security updates of the newer ones.